Appendix H – Oxygen Solubility
102
The solubility of oxygen in pure water varies considerably with temperature. The
table on the previous page gives the variation of oxygen concentration in ppm
(=mg/litre) across a temperature range of 0 – 40 C in pure water at equilibrium
with water vapour saturated air at 1 Atmosphere standard pressure (= 760 mm
Mercury).
For other operating pressures, such as those which are used in bio-reactors, see
more advanced tables available in good chemistry / physics text books for
conversion factors.
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